Coperhead or Copperhead: How To spell?
The word Coperhead is misspelled against Copperhead, a noun meaning "A nickname applied to a person in the Northern States who sympathized with the South during the Civil War."
Copperhead has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings co & erhead which should not be misspelled with single 'P'
Wrong Spelling:  co-p-erhead  Correct Spelling:  co-pp-erhead 
Find more incorrect spellings of Copperhead to spell right way.